Flow price: --
e28b18c6d5e9721b0aec155a321a5a815f208a469c7ae068594ee161583953d1

Transaction

Hash: e28b18c6d5e9721b0aec155a321a5a815f208a469c7ae068594ee161583953d1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> e28b18c6d5e9721b0aec155a321a5a815f208a469c7ae068594ee161583953d1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
e28b18c6d5e9721b0aec155a321a5a815f208a469c7ae068594ee161583953d1
Status:
ERROR
Block height:
40036736
Block id:
3029315744dbd172672f7c0dd2854e3d1b74f0da5ef69a41bc3b01d7e3284d9a
Timestamp:
Monday 31 October 2022 at 08:25:04 UTC
()
Proposer:
Authorizers:
Gas used:
47